diff --git a/requirements.txt b/requirements.txt
index 9978534..4f34cb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ future==0.17.1
 lxml==4.3.4
 macholib==1.11
 pefile==2019.4.18
-PyInstaller==3.4
+PyInstaller==3.6
 pywin32-ctypes==0.2.0
 soupsieve==1.9.1
 xmltodict==0.12.0